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    • 28. 发明申请
    • Device and Method for Cooling Plastic Profiles
    • 塑料型材冷却装置及方法
    • US20120013034A1
    • 2012-01-19
    • US13062885
    • 2009-09-10
    • Leopold HacklJosef DobrowskyGeorg ZacherMiron I. Gorilovskiy
    • Leopold HacklJosef DobrowskyGeorg ZacherMiron I. Gorilovskiy
    • B29C47/78B29C47/36
    • B29C47/86B29C47/0023B29C47/0026B29C47/003B29C47/38B29C47/862B29C47/864B29C47/8805B29C47/8835B29C47/8895B29C47/90B29C47/903B29C47/904B29C47/905B29C47/908B29C47/92B29C2947/92542B29C2947/926B29C2947/92657B29C2947/92704B29C2947/92838B29C2947/92857B29C2947/92923B29C2947/92971
    • The invention relates to an extrusion line for producing plastic profiles, preferably plastic pipes, comprising at least one extruder (1), one die (2), one calibration means (3) and further following devices (4, 5).There is provision here according to the invention for at least the die (2) to have at least one aperture (8), and for an extraction means (6) to be arranged in front of the die (2) as viewed in the extrusion direction (7), and for the die (2) to consist of a plurality of functional regions with separate melt channels.Furthermore, the invention relates to a method for increasing the cooling performance of an extrusion line for extruding a plastic profile, in particular a plastic pipe, which method comprises the following steps, a) melting of plastic in an extruder (1), b) shaping of a plastic strand and feeding of the plastic strand to a die (2), c) shaping of a plastic profile by means of the die (2), and d) calibrating and curing by means of cooling of the profile in a calibration means (3), the profile (9) being cooled in the interior in addition to the outer cooling in the calibration means (3). There is then provision here according to the invention for the air to be sucked through counter to the extrusion direction (7) by means of an extraction means (6) for the inner cooling of the profile (9), the plastic strand being divided in the die (2) into a plurality of part strands, and the temperature of the melt being reduced before exit from the die (2).
    • 本发明涉及一种用于生产塑料型材的挤出生产线,优选塑料管,其包括至少一个挤出机(1),一个模具(2),一个校准装置(3)和另外的后续装置(4,5)。 根据本发明,根据本发明,至少具有至少一个孔(8)的模具(2),并且在挤出机中观察到的用于在模具(2)的前方布置的提取装置(6) 方向(7),并且对于模具(2)由具有单独的熔体通道的多个功能区域组成。 此外,本发明涉及一种用于提高用于挤出塑料型材的挤出生产线的冷却性能的方法,特别是塑料管,该方法包括以下步骤:a)在挤出机(1)中熔化塑料,b) 塑料线的成型以及将塑料线馈送到模具(2),c)通过模具(2)成形塑料型材,以及d)通过校准中的型材的冷却来校准和固化 装置(3),除了校准装置(3)中的外部冷却之外,轮廓(9)在内部被冷却。 因此,根据本发明,通过用于内部冷却型材(9)的提取装置(6),通过与挤出方向(7)相反的方式来抽吸空气,塑料线被分成 模具(2)成为多个部分股线,并且在从模具(2)出射之前熔体的温度被降低。